748840 has 32 divisors (see below), whose sum is σ = 1711080. Its totient is φ = 294912.

The previous prime is 748831. The next prime is 748849. The reversal of 748840 is 48847.

748840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (748831) and next prime (748849).

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 256036 = 702^2 + 506^2 .

It is a super-2 number, since 2×748840² = 1121522691200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (748849) by changing a digit.

748840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3784 + ... + 3976.

2⁷⁴⁸⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

748840 is an abundant number, since it is smaller than the sum of its proper divisors (962240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748840 is a wasteful number, since it uses less digits than its factorization.

748840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 748840 is about 865.3554183109. The cubic root of 748840 is about 90.8091641407.

The spelling of 748840 in words is "seven hundred forty-eight thousand, eight hundred forty".